EPE 2003 - Topic 06b: Actuators, Transducers | ||
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![]() | The influence of maximum temperature and temperature range on the design of single-phase permanent magnet actuators for the automotive industry
By D. Gerling; H. Hofmann | |
Abstract: In this paper, a single-phase permanent magnet actuator
will be investigated concerning the influence of
maximum ambient temperature and ambient
temperature range on weight and cost. The
specifications of a throttle-plate actuator for the
automotive industry serve as an example. The main
emphasis will be put on the different characteristics
resulting from the use of ferrite magnets or NdFeB
material.
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![]() | A novel 2D variable reluctance planar actuator for industrial automation
By N.C. Cheung; P. Jianfei; Y. Jinming | |
Abstract: The manufacturing of advanced electronic products and components requires precise
two-dimensional (2D) planar motion for surface positioning, parts assembly and component insertion.
To achieve precise 2D planar motion, most of these high-performance manufacturing machines use
cascaded X-Y tables with rotary motors and rotary-to-linear mechanical couplings. Though this is
the most widely-used method, it has disadvantages of complex mechanical structure, frequent
mechanical adjustments, high manufacturing/maintenance cost, and low reliability. This paper
proposes a novel 2D Variable Reluctance (VR) planar actuator to replace conventional X-Y tables.
Unlike existing planar motors based on permanent magnet synchronous drive, inductive drive, and
open loop stepper drive, this paper proposes a 2D actuator based on variable reluctance driving
method. The proposed actuator has a very simple and robust structure. It has very few mechanical
parts, and it can be manufactured easily. A prototype actuator was fabricated. Preliminary
characteristics measurements confirmed that the proposed structure is very suitable for
high-performance planar drive in industrial automation.
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